Lens insert for glasses



FIG. 1 shows a right-side view of a lens insert for glasses;

FIG. 2 shows a front view of the lens insert for glasses;

FIG. 3 shows a left-side view of the lens insert for glasses;

FIG. 4 shows a perspective view of the lens insert for glasses taken from a left-rear perspective;

FIG. 5 shows a rear view of the lens insert for glasses;

FIG. 6 shows a perspective view of the lens insert for glasses taken from a right-rear perspective;

FIG. 7 shows a top view of the lens insert for glasses;

FIG. 8 shows a bottom view of the lens insert for glasses;

FIG. 9 shows a front view of the lens insert for glasses with detail of a section 9-9 plane;

FIG. 10 shows a perspective view of the lens insert for glasses with respect to section 9-9 when taken from a right-side perspective; and,

FIG. 11 shows a scaled view of a portion of FIG. 10. 

CLAIM The ornamental design for a lens insert for glasses, as shown and described. 